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Ground segmentation is crucial for terrestrial mobile platforms to perform navigation or neighboring object recognition. Unfortunately, the ground is not flat, as it features steep slopes; bumpy roads; or objects, such as curbs, flower…

机器人学 · 计算机科学 2022-03-11 Hyungtae Lim , Minho Oh , Hyun Myung

This paper presents a fully unsupervised deep change detection approach for mobile robots with 3D LiDAR. In unstructured environments, it is infeasible to define a closed set of semantic classes. Instead, semantic segmentation is…

机器人学 · 计算机科学 2024-05-01 Alexander Krawciw , Jordy Sehn , Timothy D. Barfoot

Real-scanned point clouds are often incomplete due to viewpoint, occlusion, and noise, which hampers 3D geometric modeling and perception. Existing point cloud completion methods tend to generate global shape skeletons and hence lack fine…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Liang Pan , Xinyi Chen , Zhongang Cai , Junzhe Zhang , Haiyu Zhao , Shuai Yi , Ziwei Liu

Mobile ground robots require perceiving and understanding their surrounding support surface to move around autonomously and safely. The support surface is commonly estimated based on exteroceptive depth measurements, e.g., from LiDARs.…

机器人学 · 计算机科学 2023-05-16 Anqiao Li , Chenyu Yang , Jonas Frey , Joonho Lee , Cesar Cadena , Marco Hutter

Land cover (LC) segmentation plays a critical role in various applications, including environmental analysis and natural disaster management. However, generating accurate LC maps is a complex and time-consuming task that requires the…

计算机视觉与模式识别 · 计算机科学 2023-06-29 Marco Galatola , Edoardo Arnaudo , Luca Barco , Claudio Rossi , Fabrizio Dominici

Urban flooding in arid regions poses severe risks to infrastructure and communities. Accurate, fine-scale mapping of flood extents and recovery trajectories is therefore essential for improving emergency response and resilience planning.…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Xin Hong , Longchao Da , Hua Wei

This research advances individual tree crown (ITC) segmentation in lidar data, using a deep learning model applicable to various laser scanning types: airborne (ULS), terrestrial (TLS), and mobile (MLS). It addresses the challenge of…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Maciej Wielgosz , Stefano Puliti , Binbin Xiang , Konrad Schindler , Rasmus Astrup

Remote sensing of the Earth's surface water is critical in a wide range of environmental studies, from evaluating the societal impacts of seasonal droughts and floods to the large-scale implications of climate change. Consequently, a large…

计算机视觉与模式识别 · 计算机科学 2022-12-29 Joachim Moortgat , Ziwei Li , Michael Durand , Ian Howat , Bidhyananda Yadav , Chunli Dai

When classifying point clouds, a large amount of time is devoted to the process of engineering a reliable set of features which are then passed to a classifier of choice. Generally, such features - usually derived from the 3D-covariance…

计算机视觉与模式识别 · 计算机科学 2020-05-22 Mohammed Yousefhussien , David J. Kelbe , Emmett J. Ientilucci , Carl Salvaggio

3D LiDAR scanners are playing an increasingly important role in autonomous driving as they can generate depth information of the environment. However, creating large 3D LiDAR point cloud datasets with point-level labels requires a…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Xiangyu Yue , Bichen Wu , Sanjit A. Seshia , Kurt Keutzer , Alberto L. Sangiovanni-Vincentelli

Point cloud completion aims to recover accurate global geometry and preserve fine-grained local details from partial point clouds. Conventional methods typically predict unseen points directly from 3D point cloud coordinates or use…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Jinpeng Yu , Binbin Huang , Yuxuan Zhang , Huaxia Li , Xu Tang , Shenghua Gao

High resolution data models like grid terrain models made from LiDAR data are a prerequisite for modern day Geographic Information Systems applications. Besides providing the foundation for the very accurate digital terrain models, LiDAR…

计算机视觉与模式识别 · 计算机科学 2021-05-27 Allan Grønlund , Jonas Tranberg

Land cover mapping is essential to monitoring the environment and understanding the effects of human activities on it. The automatic approaches to land cover mapping (i.e., image segmentation) mostly used traditional machine learning that…

图像与视频处理 · 电气工程与系统科学 2021-03-24 Sanja Šćepanović , Oleg Antropov , Pekka Laurila , Yrjö Rauste , Vladimir Ignatenko , Jaan Praks

Monitoring water is a complex task due to its dynamic nature, added pollutants, and land build-up. The availability of high-resolu-tion data by Sentinel-2 multispectral products makes implementing remote sensing applications feasible.…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Shubham Gupta , Uma D. , Ramachandra Hebbar

Validation of flood models, used to support risk mitigation strategies, remains challenging due to limited observations during extreme events. High-frequency, high-resolution optical imagery (~3 m), such as PlanetScope, offers new…

计算机视觉与模式识别 · 计算机科学 2026-03-25 Azizbek Nuriddinov , Ebrahim Ahmadisharaf , Mohammad Reza Alizadeh

Real-scanned point clouds are often incomplete due to viewpoint, occlusion, and noise. Existing point cloud completion methods tend to generate global shape skeletons and hence lack fine local details. Furthermore, they mostly learn a…

计算机视觉与模式识别 · 计算机科学 2021-04-21 Liang Pan , Xinyi Chen , Zhongang Cai , Junzhe Zhang , Haiyu Zhao , Shuai Yi , Ziwei Liu

This paper presents an analysis of utilizing elevation data to aid outdoor point cloud semantic segmentation through existing machine-learning networks in remote sensing, specifically in urban, built-up areas. In dense outdoor point clouds,…

计算机视觉与模式识别 · 计算机科学 2025-01-31 Kevin Qiu , Dimitri Bulatov , Dorota Iwaszczuk

Producing traversability maps and understanding the surroundings are crucial prerequisites for autonomous navigation. In this paper, we address the problem of traversability assessment using point clouds. We propose a novel pillar feature…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Yirui Chen , Pengjin Wei , Zhenhuan Liu , Bingchao Wang , Jie Yang , Wei Liu

State-of-the-art image segmentation algorithms generally consist of at least two successive and distinct computations: a boundary detection process that uses local image information to classify image locations as boundaries between objects,…

计算机视觉与模式识别 · 计算机科学 2016-11-03 Michał Januszewski , Jeremy Maitin-Shepard , Peter Li , Jörgen Kornfeld , Winfried Denk , Viren Jain

Irrigation mapping plays a crucial role in effective water management, essential for preserving both water quality and quantity, and is key to mitigating the global issue of water scarcity. The complexity of agricultural fields, adorned…

计算机视觉与模式识别 · 计算机科学 2024-04-19 Oishee Bintey Hoque , Samarth Swarup , Abhijin Adiga , Sayjro Kossi Nouwakpo , Madhav Marathe